Approvals Approvals for SOAP API Developers IWA Web Service Current: Retrieving Approval History PDF Download PDF Download page Retrieving Approval History. Current page All pages Retrieving Approval History This API gets the approval history associated with the approval request. This API accepts the approval request object as an input parameter and returns a list of the approval history objects.APISignaturegetApprovalHistorywebService static List getApprovalHistory(Apttus_Approval__Approval_Request__c requestSO)Request ParametersNameTypeRequired?DescriptionApproval_Request__c requestSOObjectYesThe approval request object.Response ParameterNameTypeDescriptionapprovalHistorySOList<Approval_Request__c>List of approval history objects. ×